sash brush
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Review moat
Great444.05avg incumbent reviews — the moat a new listing must climb
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Price range
Okay£2.94–£23.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay£10.76avg listing price — sweet spot $15–$100
Growth
Okay+5.7%90-day search growth — must beat 0% to launch
Market size
Bad£77K£77K/yr · 73K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, sash brush is a £77K/yr Amazon United Kingdom market (73K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
sash brush market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £65K–£86K
- units × avg price
- Conversion rate
- 9.8%
- Avg BSR
- #254
- Page quality
- 0%
- Prime
- 81%
- Sponsored
- 38%
- Out of stock
- 3.5%
- Avg brand age
- 39 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
50
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
57%
Top 20: 99%
Open market
1%
- HAMILTON74%
- CORAL8%
- Harris7%
- YikuStyle6%
- ProDec2%
- Invalidism2%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +5.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Top sash brush search terms
- hamilton paint brushes36K/yr
- sash brush21K/yr
- hamilton perfection brushes6K/yr
- sash brushes4K/yr
- hamilton prestige paint brushes3K/yr
- hamilton brushes4K/yr
Top sash brush products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hamilton For The Trade Fine Tip Brushes | 5 Brush Pack | 1 1.5 2 Brown
HAMILTON£8.324.6★955 rev
Hamilton Perfection Clean Edge New Technology Paint Brush Set x 4
HAMILTON£20.514.4★44 rev
Hamilton Prestige Pure Synthetic Sash Brushes | 3 Pack | 15mm 18mm 21mm
HAMILTON£8.144.6★2,012 rev
Hamilton Prestige Pure Synthetic Paint Brushes | 5 Box Set | Vapour Box Compatible | 1 1.5 2
HAMILTON£12.534.6★1,703 rev
Harris Trade Round Sash Brushes 3 Pack
Harris£6.684.6★142 rev
Newest
by launch date
Hamilton Perfection Clean Edge Paint Brush Set X 4 including 3/4 Angled Window Brush
HAMILTON£19.261 rev
Harris Trade Round Sash Brushes 3 Pack
Harris£6.68142 rev
Invalidism 6 Pcs 0.45/0.6/0.7 inch Small Paint Brush for Walls
Invalidism£8.4461 rev
Hamilton 3 Pack Clean Edge Synthetic Firm Bristle Sash Paint Brush Set
HAMILTON£12.2820 rev
Hamilton Perfection Clean Edge New Technology Paint Brush Set x 4
HAMILTON£20.5144 rev
Trending
90-day click momentum
5 Piece Hamilton Perfection Max Stroke Soft Synthetic Flat Brush Set (1 x 1 2 x 1.5 2 x 2)
HAMILTON£22.684.5★
Hamilton Perfection Clean Edge Paint Brush Set X 4 including 3/4 Angled Window Brush
HAMILTON£19.264.0★
Hamilton Perfection Pure Synthetic Fine Tipped Brushes | 4 Box Set | Vapour Box Compatible | 1 1.5 2
HAMILTON£23.234.6★
Harris Trade Round Sash Brushes 3 Pack
Harris£6.684.6★
Hamilton Prestige 5pce SYNTHETIC BRISTLE Paint Brush Set + Comb (23199-305)
HAMILTON£16.104.7★
What buyers say about sash brush
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Worth the money”
“Excellent brushes”
“Easy to Clean: Cleaning these brushes is a breeze”
“paint was perfect”
“easy to use”
“Excellent bristles easy to hold”
“durable”
“Better than expected”
“The soft, firm bristles wash out easily, making maintenance simple and quick”
What buyers complain about
“some of the bristles have come out during painting which i was hoping they wouldn't”
“6 brushes, all fell apart after first use”
“they are hard to buy now and expensive”
“hard to thoroughly clean”
“poor quality”
“Not the softest”
“A bit brittle”
Top return reasons
Common questions
- Is sash brush profitable to sell on Amazon United Kingdom?
- The niche generates £77K/yr across 21 tracked products. 90-day search growth is +5.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the sash brush niche?
- 7 brands and 50 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in sash brush?
- Top complaints mined from reviews: Paint Quality, Durability, Value For Money. The return rate is 0.2%.
- When does demand for sash brush peak?
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- What does it cost to enter the sash brush niche?
- Listings span £2.94–£23.23; the average listing price is £10.76 (sweet spot $15–$100). The average incumbent carries 444 reviews — the moat a new listing must climb.